*{margin:0;padding:0;box-sizing:border-box}.auth-app{min-height:100vh;background:var(--background-color, #10141f);color:var(--text-color, #ebede9);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;position:relative;overflow-x:hidden}.particle-background{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}.auth-layout{position:relative;z-index:10;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#10141f 0%,#151d28 100%);display:flex;align-items:center;justify-content:center;z-index:1000}.loading-content{text-align:center;color:var(--text-color, #ebede9)}.loading-logo{margin-bottom:2rem}.logo-parts{font-size:4rem;font-weight:700;display:inline-block}.logo-ai{color:var(--primary-color, #73bed3);margin-right:.2rem}.logo-to{color:var(--accent-color, #de9e41);margin:0 .1rem}.logo-u{color:var(--primary-color, #73bed3);margin-left:.2rem}.loading-text h2{font-size:1.5rem;margin-bottom:.5rem;color:var(--primary-color, #73bed3)}.loading-text p{color:var(--text-secondary-color, #a8b5b2);font-size:1rem}.loading-bar{width:200px;height:4px;background:var(--surface-color, #151d28);border-radius:2px;margin:2rem auto;overflow:hidden}.loading-fill{height:100%;background:linear-gradient(90deg,var(--primary-color, #73bed3),var(--accent-color, #de9e41));border-radius:2px}.loading-particles{position:absolute;width:100%;height:100px;top:50%;left:0}.particle{position:absolute;width:4px;height:4px;border-radius:50%}.auth-container{position:relative;max-width:420px;width:100%}.auth-card{background:var(--surface-color, #151d28);border:1px solid var(--border-color, #394a50);border-radius:16px;padding:2rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 20px 60px #0006,inset 0 1px #ffffff1a}.auth-header{text-align:center;margin-bottom:1.5rem}.auth-title{font-size:2rem;font-weight:700;color:var(--primary-color, #73bed3);margin-bottom:.5rem}.auth-subtitle{color:var(--text-secondary-color, #a8b5b2);font-size:1rem;line-height:1.5}.auth-message{padding:1rem 1.25rem;border-radius:8px;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;font-size:.95rem;font-weight:500;position:relative;z-index:10}.auth-message.success{background:rgba(117,167,67,.35);border:2px solid #75a743;color:#c5ff85;box-shadow:0 4px 20px #75a7434d,inset 0 1px #fff3;text-shadow:0 0 10px rgba(197,255,133,.3)}.auth-message.error{background:rgba(207,87,60,.35);border:2px solid #cf573c;color:#fa9;box-shadow:0 4px 20px #cf573c4d,inset 0 1px #fff3;text-shadow:0 0 10px rgba(255,170,153,.3)}.auth-message i{font-size:1.1rem;filter:brightness(1.2)}.social-auth{margin-bottom:1.5rem}.social-buttons{display:flex;flex-direction:column;gap:.75rem}.social-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.75rem 1rem;background:var(--hover-color, #253a5e);border:1px solid var(--border-color, #394a50);border-radius:8px;color:var(--text-color, #ebede9);text-decoration:none;font-weight:500;transition:all .3s ease;cursor:pointer}.social-btn:hover{background:var(--active-color, #3c5e8b);transform:translateY(-2px);box-shadow:0 8px 25px #0000004d}.social-btn i{font-size:1.2rem}.social-note{text-align:center;margin-top:1rem;color:var(--text-secondary-color, #a8b5b2);font-size:.85rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.social-note i{color:var(--accent-color, #de9e41)}.auth-divider{position:relative;text-align:center;margin:1.5rem 0;color:var(--text-secondary-color, #a8b5b2);font-size:.9rem}.auth-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-color, #394a50)}.auth-divider span{background:var(--surface-color, #151d28);padding:0 1rem;position:relative;z-index:1}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-field{display:flex;flex-direction:column;gap:.5rem}.form-row{flex-direction:row;justify-content:space-between;align-items:center}.field-label{font-size:.9rem;font-weight:600;color:var(--text-color, #ebede9)}.field-input{padding:.75rem 1rem;background:var(--background-color, #10141f);border:2px solid var(--border-color, #394a50);border-radius:8px;color:var(--text-color, #ebede9);font-size:1rem;transition:all .3s ease}.field-input:focus{outline:none;border-color:var(--primary-color, #73bed3);box-shadow:0 0 0 3px #73bed31a}.field-input.error{border-color:var(--error-color, #cf573c)}.field-input::placeholder{color:var(--text-secondary-color, #a8b5b2)}.field-error{font-size:.8rem;color:var(--error-color, #cf573c);margin-top:.25rem}.checkbox-label{display:flex;align-items:center;gap:.75rem;font-size:.9rem;color:var(--text-color, #ebede9);cursor:pointer}.checkbox-input{display:none}.checkbox-custom{width:18px;height:18px;border:2px solid var(--border-color, #394a50);border-radius:4px;position:relative;background:var(--background-color, #10141f);transition:all .3s ease}.checkbox-input:checked+.checkbox-custom{background:var(--primary-color, #73bed3);border-color:var(--primary-color, #73bed3)}.checkbox-input:checked+.checkbox-custom:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--background-color, #10141f);font-size:12px;font-weight:700}.forgot-link{color:var(--primary-color, #73bed3);text-decoration:none;font-size:.9rem;transition:color .3s ease}.forgot-link:hover{color:var(--accent-color, #de9e41)}.auth-submit-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem;background:linear-gradient(135deg,var(--primary-color, #73bed3),var(--accent-color, #de9e41));border:none;border-radius:8px;color:var(--background-color, #10141f);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.auth-submit-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px #73bed34d}.auth-submit-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.auth-submit-btn i{font-size:1.1rem}.loading-spinner{width:20px;height:20px;border:2px solid rgba(16,20,31,.3);border-top:2px solid var(--background-color, #10141f);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-toggle{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color, #394a50)}.auth-toggle p{color:var(--text-secondary-color, #a8b5b2);font-size:.9rem}.toggle-btn{background:none;border:none;color:var(--primary-color, #73bed3);font-weight:600;cursor:pointer;text-decoration:underline;transition:color .3s ease}.toggle-btn:hover{color:var(--accent-color, #de9e41)}.auth-terms{text-align:center;margin-top:1.5rem;font-size:.8rem;color:var(--text-secondary-color, #a8b5b2);line-height:1.4}.terms-link{color:var(--primary-color, #73bed3);text-decoration:none}.terms-link:hover{color:var(--accent-color, #de9e41);text-decoration:underline}.password-input-wrapper{position:relative;display:flex;align-items:center}.password-input-wrapper .field-input{padding-right:3rem;width:100%}.password-toggle{position:absolute;right:.75rem;background:none;border:none;color:var(--text-secondary-color, #a8b5b2);cursor:pointer;padding:.5rem;transition:color .3s ease}.password-toggle:hover{color:var(--primary-color, #73bed3)}.password-requirements{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;margin-top:.75rem}.requirement{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-secondary-color, #a8b5b2);transition:color .3s ease}.requirement.met{color:var(--success-color, #75a743)}.requirement i{font-size:.9rem}.password-strength{margin-top:1rem}.strength-bar{height:6px;background:var(--border-color, #394a50);border-radius:3px;overflow:hidden;margin-bottom:.5rem}.strength-fill{height:100%;border-radius:3px;transition:width .3s ease,background-color .3s ease}.strength-info{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.strength-label{font-weight:600;text-transform:uppercase;letter-spacing:.5px}.strength-text{color:var(--text-secondary-color, #a8b5b2)}.terms-error{display:block;margin-top:.5rem;color:var(--error-color, #cf573c);font-weight:500;font-size:.85rem}.checkbox-label.error .checkbox-custom{border-color:var(--error-color, #cf573c)}.auth-branding{position:fixed;bottom:2rem;right:2rem;text-align:right;z-index:20}.brand-text{font-size:2rem;font-weight:700;margin-bottom:.25rem}.brand-ai,.brand-u{color:var(--primary-color, #73bed3)}.brand-to{color:var(--accent-color, #de9e41);margin:0 .1rem}.brand-tagline{font-size:.9rem;color:var(--text-secondary-color, #a8b5b2);margin:0}.auth-decorations{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}.decoration{position:absolute;border-radius:50%;opacity:.1}.decoration-1{width:200px;height:200px;background:var(--primary-color, #73bed3);top:-100px;right:-100px}.decoration-2{width:150px;height:150px;background:var(--accent-color, #de9e41);bottom:-75px;left:-75px}.decoration-3{width:100px;height:100px;background:var(--success-color, #75a743);top:50%;left:-50px}@media (max-width: 768px){.auth-layout{padding:1rem}.auth-card{padding:1.5rem}.auth-title{font-size:1.75rem}.auth-branding{bottom:1rem;right:1rem}.brand-text{font-size:1.5rem}.logo-parts{font-size:3rem}}@media (max-width: 480px){.auth-card{padding:1.25rem 1rem}.social-buttons{gap:.5rem}.social-btn{padding:.65rem .85rem;font-size:.9rem}.form-row{flex-direction:column;align-items:flex-start;gap:.75rem}}